Tracker Analysis of Snell's Law of Refractive of Semi-Circle Glass Block


Hi Prof Hwang,
can allow my account to attach bigger video files?
[b]the video is 11 mb[/b]


the data is here
https://docs.google.com/spreadsheet/ccc?key=0AjIvSg-TzZrZdHMxdTdCLXJkY3NlSmJHRVZzZXFMU2c#gid=0



i degree r degree i radian r radian sin i          sin r n = sin i /sin r
9.50          6.80 0.166 0.119 0.165 0.118 1.394
18.80 13.30 0.328 0.232 0.322 0.230 1.401
29.30 20.50 0.511 0.358 0.489 0.350 1.397
39.70 26.50 0.693 0.463 0.639 0.446 1.432
49.30 31.70 0.860 0.553 0.758 0.525 1.443
59.50 36.60 1.038 0.639 0.862 0.596 1.445
69.30 40.50 1.210 0.707 0.935 0.649 1.440
79.00 42.70 1.379 0.745 0.982 0.678 1.447
                                                     1.425 average
for the video http://youtu.be/yfawFJCRDSE        


http://en.wikipedia.org/wiki/Snell's_law
i speculate that the material is http://en.wikipedia.org/wiki/List_of_refractive_indices Sylgard 184 or my estimates are wrong. :)